499247 AJR OIPM
499247
AJR Jet Fan | 17
11.4 Variable speed fans
• Pay particular attention to damage from vibrations.
• After commissioning, start with shorter maintenance intervals.
• If no damage occurs, adjust the maintenance intervals up to those stated in the operating instructions.
• Responsibility for gradual adaptation is with the system operator/installer.
11.5 Overhaul / Further maintenance
• Pay attention to the safety references and preconditions as in normal maintenance.
For the following activities and functions, contact Systemair:
• complete overhaul of motors
• monitoring of conditions
• vibration analysis
After 20,000 hours of operation or 5 years of normal operation:
• Check the condition of the shaft sealing rings and shaft bearings and take action if necessary.
11.6 Replacement parts
• Replacement parts must be installed by a Systemair representative and a UL witness in order to maintain the UL Safety Listing
12 Cleaning
12.1 Safety information
• Cleaning may only be carried out by adequately qualied persons, see Table 1: Qualications
• Wear protective equipment during all work in the vicinity of the fan, see 2.2 Personal protective equipment
• Observe the 5 rules of electrical safety, see 2.3 Five rules of electrical safety
12.2 Preconditions
• The power supply has been switched off (all-pole circuit breaker).
• The impeller must be at a standstill.
12.3 Cleaning guidelines
• Do not use steel brushes or sharp-edged objects.
• Do not use a high-pressure cleaner (steam jet cleaner) under any circumstances.
• Do not bend the fan blades when cleaning.
• Use nylon brushes and fabric cleaning cloths
• Keep the airways of the fan clear and clean them if necessary with a nylon brush.
13 De-installation / Dismantling
• De-install and dismantle the fan in reverse order of installation (7 Installation) and electrical connection (8 Electrical connection).
14 Disposal
• Ensure material is recycled. Observe national regulations.
• The device and the transport packaging are predominantly made from recyclable raw materials.
• Disassemble the fan into its components.
• Separate the parts according to:
• Reusable material
• Material groups to be disposed of (metal, plastics, electrical parts, etc.)
Important
Varying speeds may lead to increased vibrations dependent on the
support structure.